名校
1 . 在平面直角坐标系中,
为坐标原点,
,
,
三点满足
.
(1)求
值;
(2)已知
若
的最小值为
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af2b78b43898156b70eb20e632eb3684.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86cc7c3c868df85726d6fec8d480e588.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee071259a2a59cd8c09cb3cd44c46ae4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6552c3a42c2629ef9533f0fc651736.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6552c3a42c2629ef9533f0fc651736.png)
您最近一年使用:0次
2019-10-14更新
|
2831次组卷
|
10卷引用:四川省凉山彝族自治州2018-2019学年高一下学期期末数学(理)试题
四川省凉山彝族自治州2018-2019学年高一下学期期末数学(理)试题山东省临沂第一中学2019-2020学年高一下学期期中考试数学试题山东省潍坊一中2019-2020学年高一下学期期中考试数学试题河南省南阳市2019-2020学年高一下学期期末考试数学试题福建省福州市福清市西山学校2020-2021学年高一3月月考数学试题北京市第十二中学2020-2021学年高一3月月考数学试题山西省潞城区第一中学校2020-2021学年高一下学期第一次月考数学试题辽宁省锦州市辽西育明高级中学2022-2023学年高一下学期第一次阶段性数学试题河南省新乡市安阳市鹤壁市顶尖名校2020-2021学年高三10月联考数学理科试题辽宁省凌源市2020-2021学年下学期高二尖子生抽测数学试题
名校
2 . 在
中,点
为边
的中点.
(1)若
,求
;
(2)若
,试判断
的形状.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f97d501fa27700e098225ae55ecf5c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fde8ed3170ec317be8986296b1ea3676.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cdca893e8c55ff3d1b417b790057631.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
您最近一年使用:0次
2019-10-11更新
|
590次组卷
|
3卷引用:第九章 平面向量(单元重点综合测试)-单元速记·巧练(苏教版2019必修第二册)
(已下线)第九章 平面向量(单元重点综合测试)-单元速记·巧练(苏教版2019必修第二册)上海市闵行区闵行中学2019-2020学年度高二上学期期中数学试题2019年江苏省“百校大联考”高三上学期第二次考试数学试题
名校
3 . 在
中,
为直角,
,
,
与
相交于点
,
,
.
(1)试用
、
表示向量
;
(2)在线段
上取一点
,在线段
上取一点
,使得直线
过
,设
,
,求
的值;
(3)若
,过
作线段
,使得
为
的中点,且
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd2981bf2261343f905ec1b5355a3c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c607be8fbe8b2701e0451e9322223e00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca7757b00ff2bdc8796ccfa33fec0293.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6942bd9fc5d090de0cfad7022aa32f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84cc63e33fe47da2704cff57d148dde0.png)
(1)试用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969604545902c9a66549a4a44ec3a3c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ab17fd4247cdd710c363d5d3fbc5bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d00da1c29aea46e36cda0f5780966bb6.png)
(2)在线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07f9c6f622be010cd1d9cc5c13f4fd9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23438690dec68d60e07d2ab6bdbf1d34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9ebeb198e80f9c2e6406f0601554b92.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/228f00eb81c06f6862e15e923109c35b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2d713292dd1f9f367d382077c703d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df3b182fcad057f49f2360d6d2b4dddf.png)
您最近一年使用:0次
2019-12-10更新
|
1054次组卷
|
6卷引用:湖北省武汉市第十一中学2019-2020学年高一下学期3月月考数学试题
名校
4 . 平面直角坐标系中,
为坐标原点,射线
与
轴正半轴重合,射线
在第一象限,且与
轴正半轴的夹角为
,在
上有点列
,在
上有点
,已知
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/743a804e62f13bfb5f8d2468b8ad34fa.png)
(1)求点
和
的坐标;
(2)求
的坐标;
(3)求
面积的最大值,并求出此时的
值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b62bd9976b37f0e5919155e5a8c50d62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98714eea0de264fed373d73bd93d23c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f138be24bfcc4c58bf8b43244315dec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/743a804e62f13bfb5f8d2468b8ad34fa.png)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b65a3cabd534738ebb98823e5c203c5.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9079438b81a652c5deaf0641d249423a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
5 . 在
中,
,BN与CM交于点E,记
,试用
和
表示向量
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66efa8e18c900b0ca6a1d216e6181f1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f968d4bca2443672e4f7295a6360e316.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969604545902c9a66549a4a44ec3a3c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ab17fd4247cdd710c363d5d3fbc5bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e00b863991d441829e9ccbc21a796301.png)
您最近一年使用:0次
2019-12-04更新
|
612次组卷
|
3卷引用:浙江省金华市浙江师大附属东阳花园外国语学校2020-2021学年高一下学期第一次质量检测数学试题
浙江省金华市浙江师大附属东阳花园外国语学校2020-2021学年高一下学期第一次质量检测数学试题(已下线)第8章 平面向量(章节压轴题专练)-2020-2021学年高一数学下册期中期末考试高分直通车(沪教版2020必修第二册)上海市泥城中学2018-2019学年高二上学期第一次月考数学试题
6 . 设x轴、y轴正方向上的单位向量分别是
、
,坐标平面上点列
分别满足下列两个条件:①
且
;②
且
;
(1)写出
及
的坐标;
(2)求
的坐标;
(3)若△
的面积是
,求
的表达式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc1480988d26abda64d9a4d20674ab76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89cdb00326a922074494892c166aeefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6ae2df3cfe81200ae0bf898612c93cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d37882749aa24648a00cbf1b6ac504.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ba11c64701e24d76699ce3540b0de76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79dcb1c9ae679a2c9d39cbe3aef4026e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acdb889e41dc848490eeea1974a47650.png)
(1)写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7179a1cec8c930d7c6afcaee2c4d908f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/badbf0073031a679eb0caa32f42600ef.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/099448be5ba5b5ed61a197916a6bd8b4.png)
(3)若△
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1358519202b1299715f79cf147e6436a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4560c3ab498f2b5aaef05df664315703.png)
您最近一年使用:0次
7 . 在
中,
,点
为
所在平面上一点,满足
,(
且
).
(1)试用
表示
;
(2)若点
为
的外心,求
的值;
(3)若点
在
的角平分线上,当
时,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ccf83193b7babc405aabd939a36a5b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edeb12d08bc43eaa3dfc9b17068902f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e68a83b4093280ea8750677f6828bf47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9d100f6eb4bfc0b0191c12d5ab35d0d.png)
(1)试用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10d4dd49f56cc6a6d26e8db427330b26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01591f34f07d2a48ad46a1a2b9c77609.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0877194ab8760f54c35527177b03ff93.png)
(3)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84ce17f8f08bc11bd78885c80223466c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1d44e0603df1928f1b54a342e1dd3f7.png)
您最近一年使用:0次
2020-02-01更新
|
1186次组卷
|
4卷引用:湖北省武汉市第十一中学2019-2020学年高一下学期3月月考数学试题
湖北省武汉市第十一中学2019-2020学年高一下学期3月月考数学试题(已下线)第8章 平面向量(章节压轴题专练)-2020-2021学年高一数学下册期中期末考试高分直通车(沪教版2020必修第二册)江苏省扬州市宝应中学2023-2024学年高一凌志班上学期10月月度纠错数学试题上海市复旦大学附属中学2017-2018学年高二上学期期中数学试题
8 . 已知
分别是与
轴,
轴正方向相同的单位向量,
,
,对任意正整数
,
,且
.
(1)求实数
的值;
(2)求
;
(3)求
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb4868d6790066750d6fc1b361b41bf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6f9805feaccc59acb61ad9897081faf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03f83ebb40e2de244b71634785d7618.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f07c5cf3bc3271dbbc176caf07312aa.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeb1a737e6b988763c1ce98c63855784.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7981cba94ea74f5c7669ce43ca37f832.png)
您最近一年使用:0次
名校
9 . 在
中,角A,B,C所对的边为a,b,c,
,若
,
(1)求角C的大小;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/429e654089035fcad23bb8cbe049ee14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e616483aa80c44ac6ad1f41b8cc3fd9.png)
(1)求角C的大小;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dba966f47a31f4acaa771b64ec4a950.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/448d30c84529f004ea1efe7ba7c813c6.png)
您最近一年使用:0次
2019-06-17更新
|
2498次组卷
|
4卷引用:【校级联考】浙江省2018-2019学年第二学期杭州八联盟期中联考高一年级数学学科试题
名校
10 . 已知
,
、
、
在同一个平面直角坐标系中的坐标分别为
、
、
.
(1)若
,求角
的值;
(2)当
时,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee7eb70bf21b6f81bfc38e16de233dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/241ce9bd28046ce9b90f43b391132884.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27149c9ff20937492950f42084caa019.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6481e5ef435b6ad8ecac30175f6871bd.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f6c0b269b81d9f742fb844340f743d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ac690a66c2db615b7adde63f8d5c4c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e22e74547ad8a6e21801b02c3b21915e.png)
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